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what are three major lines of evidence that mitochondria arose from endosymbiosis with proteobacteria?

Sagot :

Answer:Most important are the many striking similarities between prokaryotes (like bacteria) and mitochondria: Membranes — Mitochondria have their own cell membranes, just like a prokaryotic cell does. DNA — Each mitochondrion has its own circular DNA genome, like a bacteria’s genome, but much smaller.

Explanation:

Most important are the many striking similarities between prokaryotes (like bacteria) and mitochondria: Membranes — Mitochondria have their own cell membranes, just like a prokaryotic cell does. DNA — Each mitochondrion has its own circular DNA genome, like a bacteria’s genome, but much smaller.

The DNA, plasma membrane, and reproductive process are the evidence that supports the endosymbiotic theory of mitochondria.

What is endosymbiosis?

Endosymbiosis is a process that includes the engulfing of one cell by another. It is said that mitochondria originated endosymbiotically from proteobacteria.

The presence of the mitochondrial DNA although small shows similarity to bacterial DNA. The mitochondria are membrane-bound organelle like the prokaryotic bacteria.

The reproductive process of mitochondria resembles the bacterial reproduction method. The cytoplasm and the genetic material are divided in a similar fashion.

Therefore, DNA, reproduction, and membrane are evidence of the Endosymbiotic origin of mitochondria.

Learn more about endosymbiosis here:

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